National 370178A Oil Seal — SKF/CR Equivalent
| SKF / CR Part No. | Catalog Source |
|---|---|
| 44924 | Verified in both SKF 457012 & National 430i catalogs |
| 44963 | Verified in both SKF 457012 & National 430i catalogs |
| 44964 | Verified in both SKF 457012 & National 430i catalogs |
| 44966 | Verified in both SKF 457012 & National 430i catalogs |
| 45010 | Verified in both SKF 457012 & National 430i catalogs |
| Dimension | Metric (mm) | Inch |
|---|---|---|
| Shaft diameter | 114.3 | 4.5 |
| Housing bore | 139.7 | 5.5 |
| Seal O.D. | 140.08 | 5.515 |
| Width | 17.14 | 0.675 |
Size 114.3 × 139.7 × 17.14 mm (4.5 × 5.5 × 0.675 in), lip material code S — from the National 430i catalog. Always confirm shaft diameter, bore diameter and width against your application before ordering.
Verify dimensions before ordering. Interchange numbers mean the same shaft/bore application, but lip material, spring design or width can differ between brands. Metric sizes can be checked on our oil seal size chart.
Need this seal? Email sales@sealstocks.com with part number National 370178A for stock & pricing. Factory direct, global shipping.